This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [postcss-cli](https://github.com/postcss/postcss-cli) | [`^7.1.2` → `^12.0.0`](https://renovatebot.com/diffs/npm/postcss-cli/7.1.2/12.0.0) | ![age](https://developer.mend.io/api/mc/badges/age/npm/postcss-cli/12.0.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/postcss-cli/7.1.2/12.0.0?slim=true) |

---

### Release Notes

<details>
<summary>postcss/postcss-cli (postcss-cli)</summary>

### [`v12.0.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#1200--2026-09-04)

[Compare Source](postcss/postcss-cli@11.0.1...12.0.0)

- If using a YAML config, the `yaml` package must be installed separately ([#&#8203;478](postcss/postcss-cli#478))
- Requires Node.js v22+ ([#&#8203;525](postcss/postcss-cli#525))
- Errors if `--config` is passed, but no config is found ([#&#8203;467](postcss/postcss-cli#467), [#&#8203;522](postcss/postcss-cli#522))
- Now properly exits with an error if invalid options/configuration are passed in watch mode ([#&#8203;527](postcss/postcss-cli#527))
- Upgrade to chokidar v5; which results in slightly different handling of `dir-dependency` messages in watch mode ([#&#8203;501](postcss/postcss-cli#501))
- Properly watchs all config files if there are multiple config files ([#&#8203;536](postcss/postcss-cli#536))
- Minimized dependencies by removing fs-extra ([#&#8203;510](postcss/postcss-cli#510))
- Internal refactoring

### [`v11.0.1`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#1101--2025-03-12)

[Compare Source](postcss/postcss-cli@11.0.0...11.0.1)

- Update and minimize dependencies

### [`v11.0.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#1100--2023-12-05)

[Compare Source](postcss/postcss-cli@10.1.0...11.0.0)

- **BREAKING:** Require Node.js v18+ ([#&#8203;464](postcss/postcss-cli#464))
- Upgrade to [`postcss-load-config@5`](https://github.com/postcss/postcss-load-config/blob/main/CHANGELOG.md#50-2023-11-20) for improved ESM & TS config support ([#&#8203;461](postcss/postcss-cli#461), [#&#8203;462](postcss/postcss-cli#462))

### [`v10.1.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#1010--2022-11-29)

[Compare Source](postcss/postcss-cli@10.0.0...10.1.0)

- Allow running `--watch` mode in non-TTY contexts, like Docker ([#&#8203;448](postcss/postcss-cli#448))
- Update dependencies

### [`v10.0.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#1000--2022-06-29)

[Compare Source](postcss/postcss-cli@9.1.0...10.0.0)

- **BREAKING:** Drop Node 12 support ([#&#8203;438](postcss/postcss-cli#438))
- Add support for ESM config files ([#&#8203;437](postcss/postcss-cli#437))

### [`v9.1.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#910--2021-12-10)

[Compare Source](postcss/postcss-cli@9.0.2...9.1.0)

- Don't write to files if they're unchanged ([#&#8203;320](postcss/postcss-cli#320), [#&#8203;417](postcss/postcss-cli#417))

### [`v9.0.2`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#902--2021-11-04)

[Compare Source](postcss/postcss-cli@9.0.1...9.0.2)

- Switch to picocolors ([#&#8203;409](postcss/postcss-cli#409))
- Remove test files from npm package

### [`v9.0.1`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#901--2021-09-28)

[Compare Source](postcss/postcss-cli@9.0.0...9.0.1)

- Actually exit with error when attempting to stdout in watch mode
- Remove `bin/` from `files` in package.json

### [`v9.0.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#900--2021-09-24)

[Compare Source](postcss/postcss-cli@8.3.1...9.0.0)

- **BREAKING:** Require Node.js v12+
- **BREAKING:** Must specify full file path, including `.js` extension, when loading local plugins with `--use` ([#&#8203;401](postcss/postcss-cli#401))
- **BREAKING:** Officially remove support for watching postcss config (was already broken in previous releases)
- Add support for `dir-dependency` messages ([#&#8203;383](postcss/postcss-cli#383), [#&#8203;391](postcss/postcss-cli#391))
- Update deps

### [`v8.3.1`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#831--2020-12-12)

[Compare Source](postcss/postcss-cli@8.3.0...8.3.1)

- Ensure paths are not interpreted as numbers ([#&#8203;360](postcss/postcss-cli#360))
- Better errors for incorrect postcss version ([#&#8203;361](postcss/postcss-cli#361), [#&#8203;362](postcss/postcss-cli#362))

### [`v8.3.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#830--2020-11-17)

[Compare Source](postcss/postcss-cli@8.2.0...8.3.0)

- Exit on EOF/`^D` ([#&#8203;358](postcss/postcss-cli#358))

### [`v8.2.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#820--2020-10-29)

[Compare Source](postcss/postcss-cli@8.1.0...8.2.0)

- Allow backslashes in paths for better Windows experience ([#&#8203;355](postcss/postcss-cli#355))

### [`v8.1.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#810--2020-10-08)

[Compare Source](postcss/postcss-cli@8.0.0...8.1.0)

- Add support for `postcss.config.cjs` files ([#&#8203;351](postcss/postcss-cli#351))

### [`v8.0.0`](https://github.com/postcss/postcss-cli/blob/HEAD/CHANGELOG.md#800--2020-09-21)

[Compare Source](postcss/postcss-cli@7.1.2...8.0.0)

- **BREAKING:** Support postcss v8 ([#&#8203;344](postcss/postcss-cli#344), [#&#8203;349](postcss/postcss-cli#349))
- **BREAKING:** postcss is now a `peerDependency`, you must install it seperately ([#&#8203;344](postcss/postcss-cli#344), [#&#8203;349](postcss/postcss-cli#349))
- Upgrade dependencies ([#&#8203;340](postcss/postcss-cli#340))

</details>

---

### Configuration

📅 **Schedule**: (in timezone Etc/UTC)

- Branch creation
  - Between 12:00 AM and 03:59 AM, only on Monday (`* 0-3 * * 1`)
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🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

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---

This PR has been generated by [Mend Renovate CLI](https://github.com/renovatebot/renovate).
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Co-authored-by: Renovate <renovate@users.noreply.code.inl.io>
Co-authored-by: Nicholas Santiago <nicholas.santiago@gmail.com>
Reviewed-on: https://code.inl.io/nick/personal-website/pulls/11